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按题意理解,是不是任意两村只有一条路,且不存在回路?

Posted by maths at 2005-10-03 16:58:50 on Problem 2631

Followed by:

it's a tree... (0) frkstyc 2005-10-03 17:38:08
- where is a tree? (0) semonteer 2005-10-03 18:36:28
  - on the top of the wu ling hill (0) uni 2005-10-06 19:21:27
    - 应该叫mountain.... (0) frkstyc 2005-10-06 19:21:47
      - I have forgotted the spelling of mountain.... (0) uni 2005-10-06 19:25:28
        ft....forget的过去分词是forgotten (0) frkstyc 2005-10-06 19:26:44
        oh yeah ,i have forgotten the spelling of forgotten too (0) uni 2005-10-06 19:37:18
        I 服了 U~~~~ (0) a024014 2007-08-16 21:58:40

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